512717812 has 24 divisors (see below), whose sum is σ = 945604800. Its totient is φ = 242577216.

The previous prime is 512717801. The next prime is 512717819. The reversal of 512717812 is 218717215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512717819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68889 + ... + 75967.

It is an arithmetic number, because the mean of its divisors is an integer number (39400200).

Almost surely, 2^512717812 is an apocalyptic number.

It is an amenable number.

512717812 is a deficient number, since it is larger than the sum of its proper divisors (432886988).

512717812 is a wasteful number, since it uses less digits than its factorization.

512717812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8055 (or 8053 counting only the distinct ones).

The product of its digits is 7840, while the sum is 34.

The square root of 512717812 is about 22643.2729966319. The cubic root of 512717812 is about 800.3736858381.

The spelling of 512717812 in words is "five hundred twelve million, seven hundred seventeen thousand, eight hundred twelve".